Exposure
ID
MATIS.2025-08-07T09:09:55.409_1
Header ID
MATIS.2025-08-07T09:09:55.409
Date updated
2025-08-07 09:21:15 UTC+0000
Release date
2026-08-07 09:21:15 UTC+0000
UTC Start
2025-08-07 09:09:55.409
UTC End
2025-08-07 09:10:57.419
MJD Start
60894.38189131
MJD End
60894.38260901833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005573
Ambient temperature (°C)
13.29
Seeing (arcsec)
0.655
Observation
ID
69503
Category
science
Program ID
115.28GN.001
Program Title
MID-INFRARED STUDY OF THE PLANETARY ATMOSPHERES OF THE HR 8799 SYSTEM
Program Type
Normal
PI / COI
HOULLÉ / MILLOUR / SCIGLIUTO / LOPEZ
Target
ID
51625
Name
HD 218396
RA
346.871701
DEC
21.13408
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 53.2300 53.2810 37.7000 37.6000
U1-U3 99.1720 99.2450 41.4000 41.3000
U1-U4 128.5610 128.4860 56.6130 56.4930
U2-U3 46.1820 46.2020 45.7000 45.6000
U2-U4 80.0980 79.9360 69.0720 68.9300
U3-U4 41.9410 41.7400 95.0100 94.9370
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28GN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60894.38189131
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871701
DEC 21.13408
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2385
HIERARCH ESO ISS PBL12 START 53.23
HIERARCH ESO ISS PBL12 END 53.281
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 37.6
HIERARCH ESO ISS PBL13 START 99.172
HIERARCH ESO ISS PBL13 END 99.245
HIERARCH ESO ISS PBLA13 START 41.4
HIERARCH ESO ISS PBLA13 END 41.3
HIERARCH ESO ISS PBL14 START 128.561
HIERARCH ESO ISS PBL14 END 128.486
HIERARCH ESO ISS PBLA14 START 56.613
HIERARCH ESO ISS PBLA14 END 56.493
HIERARCH ESO ISS PBL23 START 46.182
HIERARCH ESO ISS PBL23 END 46.202
HIERARCH ESO ISS PBLA23 START 45.7
HIERARCH ESO ISS PBLA23 END 45.6
HIERARCH ESO ISS PBL24 START 80.098
HIERARCH ESO ISS PBL24 END 79.936
HIERARCH ESO ISS PBLA24 START 69.072
HIERARCH ESO ISS PBLA24 END 68.93
HIERARCH ESO ISS PBL34 START 41.941
HIERARCH ESO ISS PBL34 END 41.74
HIERARCH ESO ISS PBLA34 START 95.01
HIERARCH ESO ISS PBLA34 END 94.937
HIERARCH ESO ISS AMBI TAU0 START 0.005547
HIERARCH ESO ISS AMBI TAU0 END 0.005599
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.68